<table class="header" align="center" cellspacing="0" cellpadding="5">
  <tr>
    <td class="header_logo"><?php require('logo.php') ?></td>
    <td><b><font style="font-family:Geneva; font-size:16px"><?php if(isset($site_name)) echo $site_name ?></font></b><br>
      <font style="font-family:Arial; font-size:13px"><?php if(isset($site_slogan)) echo $site_slogan ?></font></td>
    <td class="header_login"><?php require('account.php') ?></td>
  </tr>
</table>